1.
J Org Chem
; 72(16): 6290-3, 2007 Aug 03.
Article
in English
| MEDLINE
| ID: mdl-17625891
ABSTRACT
Optically active torcetrapib was synthesized in seven steps from achiral precursors without the need for protecting groups, utilizing an enantioselective aza-Michael reaction to achieve asymmetry.